As others have pointed out, using cat or awk instead of a read-echo loop is a much better way to do this — avoids the whitespace-trimming problem (and a couple of others you haven’t stumbled upon), runs faster, and at least with cat, is simply cleaner code. Nonetheless, I’d like to take a stab at … Read more
You can do: for f in *.txt; do (cat “${f}”; echo) >> finalfile.txt; done Make sure the file finalfile.txt does not exist before you run the above command. If you are allowed to use awk you can do: awk ‘FNR==1{print “”}1’ *.txt > finalfile.txt
To display a file that contains ANSI sequences, less -r typescript Or, less -R typescript To remove ANSI and backspace sequences from a file, creating a clean newfile, try: sed -r ‘:again; s/[^\x08]\x08\x1b\[K//; t again; s/\x1b_[^\x1b]*\x1b[\]//g; s/\x1B\[[^m]*m//g’ typescript >newfile How it works -r This turns on extended regular expressions. (On BSD systems, -r should be … Read more
I was not aware of the award until today when some rookie tried to pin the UUOC on me for one of my answers. It was a cat file.txt | grep foo | cut … | cut …. I gave him a piece of my mind, and only after doing so visited the link he … Read more